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authorMario <mario@mariovavti.com>2020-11-27 08:04:00 +0000
committerMario <mario@mariovavti.com>2020-11-27 08:04:00 +0000
commitf4bb7bcbff3770387c2fecfa91ce4a60b916a474 (patch)
treeea007e664d435f1f3d63c87bfe1600484d2bd46c /vendor/ramsey/collection/src/AbstractSet.php
parent07e5b8295ea9d342f66d8119d88bd58124b548e6 (diff)
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+<?php
+
+/**
+ * This file is part of the ramsey/collection library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+declare(strict_types=1);
+
+namespace Ramsey\Collection;
+
+use Ramsey\Collection\Exception\InvalidArgumentException;
+
+/**
+ * This class contains the basic implementation of a collection that does not
+ * allow duplicated values (a set), to minimize the effort required to implement
+ * this specific type of collection.
+ */
+abstract class AbstractSet extends AbstractCollection
+{
+ /**
+ * Adds the specified element to this set, if it is not already present.
+ *
+ * @param mixed $element The element to add to the set.
+ *
+ * @return bool `true` if this set did not already contain the specified
+ * element.
+ *
+ * @throws InvalidArgumentException when the element does not match the
+ * specified type for this set.
+ */
+ public function add($element): bool
+ {
+ if ($this->contains($element)) {
+ return false;
+ }
+
+ return parent::add($element);
+ }
+
+ /**
+ * Sets the given value to the given offset in this set, if it is not
+ * already present.
+ *
+ * @param mixed|null $offset The offset is ignored and is treated as `null`.
+ * @param mixed $value The value to set at the given offset.
+ *
+ * @throws InvalidArgumentException when the value does not match the
+ * specified type for this set.
+ */
+ public function offsetSet($offset, $value): void
+ {
+ if ($this->contains($value)) {
+ return;
+ }
+
+ parent::offsetSet($offset, $value);
+ }
+}